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Finding the Fourth Proportional to 624,089.80, 936,134.70 and 529,611.40

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Solution

The fourth proportional to 624,089.80, 936,134.70 and 529,611.40 is: 794,417.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,089.80 : 936,134.70 = 529,611.40 : x
  2. Step 2: Convert to fraction form
    624,089.80/936,134.70 = 529,611.40/x
  3. Step 3: Cross multiply
    624,089.80x = 936,134.70 × 529,611.40
  4. Step 4: Simplify right side
    624,089.80x = 495,787,609,055.58
  5. Step 5: Solve for x
    x = 495,787,609,055.58/624,089.80
  6. Step 6: Final answer
    x = 794,417.10

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.